Apparatus and method for separating and concentrating fluids...

Liquid purification or separation – Filter – Movable medium

Reexamination Certificate

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C210S782000, C210S789000, C210S360100, C210S516000, C422S072000, C422S105000, C494S043000, C494S050000, C494S067000, C604S006010, C604S006050, C604S006150, C604S218000, C604S403000

Reexamination Certificate

active

07374678

ABSTRACT:
An apparatus that allows for separating and collecting a fraction of a sample. The apparatus, when used with a centrifuge, allows for the creation of at least three fractions in the apparatus. It also provides for a new method of extracting the buffy coat phase from a whole blood sample. A buoy system that may include a first buoy portion and a second buoy member operably interconnected may be used to form at least three fractions from a sample during a substantially single centrifugation process. Therefore, the separation of various fractions may be substantially quick and efficient.

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